ADP Update: Running back stud theory losing popularity?

There have been a couple articles lately by Football Jabber and CBS Sports about how the traditional RB stud theory might not be the best strategy this season. The most recent ADP trends support this position because second round wide receivers such as Reggie Wayne and Braylon Edwards are increasing in value. Below are their ADP trends for 10-team leagues:

At the same time, second round running backs Larry Johnson and Willis McGahee are decreasing in value in mock drafts:

It's hard to tell if a decreased interest in running backs is causing drafters to try different strategies, or if drafters' strategies are causing running backs' values to fall.

Either way, there are a lot of interesting mock draft strategies this year. It's no longer as easy as taking the best RB available early on.